519621700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9749}}^1$

素因数の和:9817

約数の個数: 72

約数和(自身を含む): 1244061000

約数和(自身を除く): 724439300

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 260, 325, 410, 533, 650, 820, 1025, 1066, 1300, 2050, 2132, 2665, 4100, 5330, 9749, 10660, 13325, 19498, 26650, 38996, 48745, 53300, 97490, 126737, 194980, 243725, 253474, 399709, 487450, 506948, 633685, 799418, 974900, 1267370, 1598836, 1998545, 2534740, 3168425, 3997090, 5196217, 6336850, 7994180, 9992725, 10392434, 12673700, 19985450, 20784868, 25981085, 39970900, 51962170, 103924340, 129905425, 259810850, 519621700]

約数ペア:

[(1, 519621700), (2, 259810850), (4, 129905425), (5, 103924340), (10, 51962170), (13, 39970900), (20, 25981085), (25, 20784868), (26, 19985450), (41, 12673700), (50, 10392434), (52, 9992725), (65, 7994180), (82, 6336850), (100, 5196217), (130, 3997090), (164, 3168425), (205, 2534740), (260, 1998545), (325, 1598836), (410, 1267370), (533, 974900), (650, 799418), (820, 633685), (1025, 506948), (1066, 487450), (1300, 399709), (2050, 253474), (2132, 243725), (2665, 194980), (4100, 126737), (5330, 97490), (9749, 53300), (10660, 48745), (13325, 38996), (19498, 26650)]